/* RESET */

* {
    margin: 0;
    padding: 0;
    border-width: 0;
    font-family: inherit;
    font-size: inherit;
}

/* GENERAL */

body {
    margin: 10px;
    font-family: 'Courier New';
    font-size: 16px;
}

h1 {
    font-size: 28px;
}

h2 {
    margin-bottom: 5px;
    font-size: 20px;
}

/* CLASSES */

.block {
    margin-bottom: 10px;
    padding: 5px;
    border: 1px #000 solid;
    height: 200px;
    overflow: auto;
}

.button {
    padding: 5px 10px;
    background-color: #c0c0c0;
    border: 1px #000 solid;
    cursor: pointer;
}